Description:
HANNA®' buffer solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards.
The 20 mL sachets are single-dose whereas, for more demanding applications, you may choose between packages of 230 mL, 500 mL, 1 Liter or 1 Gallon (3.78 L).
All pH 4 solutions show batch number, expiration date and the correlation table between pH and temperature. HI 5004, HI 6004, HI 7004L/C, HI 8004L/C and HI 70004C are supplied complete with certificate of analysis.
Specifications:
| pH Value | @25°C | 4.01 |
| Size | | 20 mL |
| Package | | 25 sachets |
| Certificate of Analysis | | No |
Manufacturer: N/A
SKU: HI70004P